1972Established "Oarai Research Laboratory" in Oarai, Ibaraki
Installed X-ray generators and Co-60 irradiators, and started operation of the standard radiation dose measurement/irradiation system (June)

1979
Completed the "Film Badge Full Automatic System (FAS)" that fully automates film development, concentration determination, dose assessment, form output, etc. in the film badge measurement operation (June)

1985
Enhanced various irradiation facilities for standard irradiation in the Oarai Research Laboratory and constructed new "Research Building" (May)

1989

Established the Medical Equipment Supply Department for expansion of business into the medical device industry (April)

Concluded a general domestic agency contract on the after-loading radiotherapy device "microSelectron HDR" with Nucletron B.V. (the Netherlands) and started sales (April)

Established the "Monitoring Service System (MOS)" on the basis of the revision of laws related to radiation protection and started operation (April)

1995
Oarai Research Laboratory certified by the Japan Calibration Service System (business division: radiation) (December)

Concluded a general domestic agency contract on the mobile intraoperative irradiator "MOBETRON" with Intra Op Medical Corporation (USA) and started sales (January)

Purchased 15,310 land from the Japan Atomic Energy Agency and Oarai (February)

2004

Concluded a general domestic agency contract on the head and neck stereotactic radiotherapy device "Cyber Knife II" with Accuray Incorporated (USA) (January), which was later changed to a domestic distributor contract in October 2009